In depth comparison and review of Poly Blackwire C725-UC and Poly Voyager Focus UC B825S-M. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | 700 Series | - | |
| Weight | - | 155 g | |
| Recommended Use | Computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 45 m |
| SOUND QUALITY | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Advanced Audio Distribution Profile (A2DP) | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Mono | |
| Frequency Response | 100 - 8000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Controls | Mute, volume, answer/end | Volume |
|---|
| CABLE | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Cable Type | USB cable - 2.04 m | Charging cable | |
|---|---|---|---|
| Cable Length | 2.04 m | - |
| FEATURES | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Connector Type | USB (4 PIN USB Type A) | Bluetooth |
|---|
| OTHERS | Poly Blackwire C725-UC | Poly Voyager Focus UC B825S-M |
|---|
| Included Accessories | Carrying case | Carrying case, Bluetooth USB adapter, charging stand | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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